York VCH-25A Installation Manual page 58

A
G
J
A S1 configuration on A1 board (VCH models)
B Thermostat
C Electronic board [A1]
D Compressor 2
E YKTOOLN2 connection
F RS-485 connection
G Shielded cable, 10 x 0,22 mm
H Electronic board [A2]
I Accessories connection
J Indoor fan motor trip switch
K High and low pressure switch 1
L Outdoor fan motor trip switch 1
M 4-way valve 1
N High and low pressure switch 2
O Outdoor fan motor trip switch 2
P 4-way valve 2
B
a b c d
A1
C
K L M
B1, B5
2
B2, B6
B3, B7
Wiring diagrams
Unit wiring diagrams
a b
e
H
D
E
F
N O
a Black connector
b Green connector
c White connector
d Yellow connector
e Red connector
Suction probe
Liquid probe
Discharge probe
B4 Outdoor probe
M1 Compressor
M2 Indoor fan
M3 Outdoor fan
FC Phase control
2
2.5
c
I
P
I-2576-2b (2/2)
55